pandory500/oleavr-rgl-a500-mini-linux-3.10
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Ole André Vadla Ravnås 2022-05-07 01:01:45 +02:00
commit 169c65d57e
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arch/m68k/include/asm/barrier.h Normal file
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#ifndef _M68K_BARRIER_H
#define _M68K_BARRIER_H
/*
* Force strict CPU ordering.
* Not really required on m68k...
*/
#define nop() do { asm volatile ("nop"); barrier(); } while (0)
#define mb() barrier()
#define rmb() barrier()
#define wmb() barrier()
#define read_barrier_depends() ((void)0)
#define set_mb(var, value) ({ (var) = (value); wmb(); })
#define smp_mb() barrier()
#define smp_rmb() barrier()
#define smp_wmb() barrier()
#define smp_read_barrier_depends() ((void)0)
#endif /* _M68K_BARRIER_H */